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In order to reduce the bandwidth necessary to transmit 4K content, the new HDMI 2.0 specification includes support for 4:2:0 subsampling. This reduces the color information in the signal by 75%, leading to a 50% reduction in bandwidth. Much of the video content currently available is already 4:2:0 subsampled, so there won’t be any additional degradation of the image as a result of the subsampling. However, in other content, such as PC graphics inputs, 4:2:0 subsampling can introduce significant image artifacts. This is especially noticeable in text.
When selecting a product with 4K @ 60Hz support, integrators should be checking what color subsampling More…

Which came first, the chicken or the egg?
What started out as a meditative aid for Zen Buddhists has become so familiar a question that it’s cliché. If it were created in modern times the question might be: which comes first, content or hardware? Without the content there’s nothing to play on the hardware and without the hardware there’s no reason for the content.
More than 4K
The move from 1080p (HD) displays to 4K (UHD) displays is similar to the move from SD to HD in that content is lagging behind the hardware. Video creators are slowly adopting the 4K standard as cameras and displays improve. But the biggest difference in the move from HD to 4K More…